• We've upgraded our forums. Please post any issues/requests in this thread.

Gigabyte Rolls Out 990FXA-UD3 Rev. 4

btarunr

Editor & Senior Moderator
Staff member
Joined
Oct 9, 2007
Messages
34,317 (9.23/day)
Likes
17,423
Location
Hyderabad, India
System Name Long shelf-life potato
Processor Intel Core i7-4770K
Motherboard ASUS Z97-A
Cooling Xigmatek Aegir CPU Cooler
Memory 16GB Kingston HyperX Beast DDR3-1866
Video Card(s) 2x GeForce GTX 970 SLI
Storage ADATA SU800 512GB
Display(s) Samsung U28D590D 28-inch 4K
Case Cooler Master CM690 Window
Audio Device(s) Creative Sound Blaster Recon3D PCIe
Power Supply Corsair HX850W
Mouse Razer Abyssus 2014
Keyboard Microsoft Sidewinder X4
Software Windows 10 Pro Creators Update
Joined
Jan 5, 2013
Messages
895 (0.50/day)
Likes
114
#2
It only took Giga two YEARS to listen to me... They insisted they didn't have issues with their VRM circuits with OC'd FX processors but they most definitely did as many enthusiasts were able to prove to Giga who then said it "wasn't a problem" even after they duplicated the overheating VRM circuits.
 
Joined
Apr 16, 2009
Messages
219 (0.07/day)
Likes
78
Processor Phenom II X4 965 BE @4 GHz | NB @2600 MHz
Motherboard Gigabyte GA-990XA-UD3
Cooling Noctua NH-D14
Memory 2x 8GB PC12800 @1600 MHz CL7 1T
Video Card(s) Gigabyte HD 7950
Storage 2 x 500 GB -- HD502HJ & WD5000AACS-00ZUB0
Display(s) Iiyama Prolite E2202WS_WVS
Case Corsair Obsidian 550D
Audio Device(s) Asus Xonar D2 w/ Z-5500
Power Supply Seasonic X-750
Mouse Logitech B100
Keyboard Logitech G15 (blue backlight)
Software Windows 7 - SP1 x64
#3
It only took Giga two YEARS to listen to me... They insisted they didn't have issues with their VRM circuits with OC'd FX processors but they most definitely did as many enthusiasts were able to prove to Giga who then said it "wasn't a problem" even after they duplicated the overheating VRM circuits.
Are suggesting that anyone with previous revisions shouldn't upgrade to FX CPUs? 'Cause I bought mine (a 990XA-UD3) looking forward to upgrading to those later on...
 
Joined
Jan 5, 2013
Messages
895 (0.50/day)
Likes
114
#4
Are suggesting that anyone with previous revisions shouldn't upgrade to FX CPUs? 'Cause I bought mine (a 990XA-UD3) looking forward to upgrading to those later on...
No I'm not suggesting that the prior versions of the Giga AM3+ mobos won't run an FX processor. The VRM circuits on these mobos get very hot if you run an 8-core FX-8xxx CPU under heavy load such as non-stop gaming, video editing, stress testing under P95, etc. When the VRM reaches ~90C it starts throttling power to the CPU which causes the CPU to lower it's frequency. As the VRM cools a little it goes back to the set vcore voltage and the CPU ramps up until the VRM gets too hot again and then the CPU slows back down. This cycling continues until the load is reduced and the VRM circuit drops below the thermal threshold.

Gigabyte is finally upgrading their VRM circuit to handle the newer FX-8xxx series CPUs when people OC them.

If you don't ever stress your FX-8xxx CPU as above for lengthy periods of time then you'll never see VRM throttling of the CPU. With a proper VRM circuit and cooling heatsink, you'd never hit the thermal threshold where the VRM starts throttling. VRM overheating is a particular issue for those who OC their CPU. With FX-8xxx CPUs often running at 4.6+ GHz., they can stress the VRM circuit beyond it's intended design - which was for the pre-Bulldozer Phenom CPUs.

This new design provides more headroom for those looking to OC their FX-8xxx CPU and run it hard for long periods of time. It will probably support the FX-9590 also.
 
Joined
Apr 16, 2009
Messages
219 (0.07/day)
Likes
78
Processor Phenom II X4 965 BE @4 GHz | NB @2600 MHz
Motherboard Gigabyte GA-990XA-UD3
Cooling Noctua NH-D14
Memory 2x 8GB PC12800 @1600 MHz CL7 1T
Video Card(s) Gigabyte HD 7950
Storage 2 x 500 GB -- HD502HJ & WD5000AACS-00ZUB0
Display(s) Iiyama Prolite E2202WS_WVS
Case Corsair Obsidian 550D
Audio Device(s) Asus Xonar D2 w/ Z-5500
Power Supply Seasonic X-750
Mouse Logitech B100
Keyboard Logitech G15 (blue backlight)
Software Windows 7 - SP1 x64
#5
If you don't ever stress your FX-8xxx CPU as above for lengthy periods of time then you'll never see VRM throttling of the CPU. With a proper VRM circuit and cooling heatsink, you'd never hit the thermal threshold where the VRM starts throttling. VRM overheating is a particular issue for those who OC their CPU. With FX-8xxx CPUs often running at 4.6+ GHz., they can stress the VRM circuit beyond it's intended design - which was for the pre-Bulldozer Phenom CPUs.
Thanks for the clarification! I like being able to tweak things, but I never push my hardware too hard anyway. I guess it'll be safe for me to upgrade then.
 
Joined
Apr 5, 2005
Messages
6,571 (1.42/day)
Likes
1,164
Location
Republic of Asia (a.k.a Irvine), CA
System Name Red Spy
Processor FX 8350 @ 4.35 Ghz with 1.28v
Motherboard Gigabyte 990FX-UD3 v4.0
Cooling TT Water 3.0 Performer + 2 x Cougar 120mm fan, 1 x 120mm Blue LED, 1 x 200 mm Red LED fan
Memory Kingston HyperX DDR3 1333 16GB
Video Card(s) Asus R9 290 OC @ GPU - 1050, MEM - 1300
Storage ADATA 128GB Sata III SSD for OS, WDC Black - 1TB Storage, OCZ Vertex 3 120GB SSD - Games
Display(s) AOC 23" 1080P LCD
Case AeroCool XPredator X3
Audio Device(s) Built-in Realtek
Power Supply Corsair HX1000 Modular
Software Windows 7 Ultimate 64 bit
Benchmark Scores BF4 with Mantle on Ultra settings gets around 60 FPS.
#6
Finally they went back to heatpipe design vrm+chipset sink, hate that NB sink that wobbles, they use the same sink on the 970 boards too. I have to throw that out and use an old GPU heatsink with fan to cool the 970 NB chipset (that reaches 90C within minutes, now its at 45 to 50C).

Placing a fan on the VRM sink will be much easier than the early puny ones.
 

eidairaman1

The Exiled Airman
Joined
Jul 2, 2007
Messages
19,188 (5.03/day)
Likes
4,795
System Name PCGOD
Processor AMD FX 8350@ 5.0GHz
Motherboard Asus TUF 990FX Sabertooth R2 2901 Bios
Cooling Scythe Ashura, 2×BitFenix 230mm Spectre Pro LED (Blue,Green), 2x BitFenix 140mm Spectre Pro LED
Memory 16 GB Gskill Ripjaws X 2133 (2400 OC, 10-10-12-20-20, 1T, 1.65V)
Video Card(s) AMD Radeon 290 Sapphire Vapor-X
Storage Samsung 840 Pro 256GB, WD Velociraptor 1TB
Display(s) NEC Multisync LCD 1700V (Display Port Adapter)
Case AeroCool Xpredator Evil Blue Edition
Audio Device(s) Creative Labs Sound Blaster ZxR
Power Supply Seasonic 1250 XM2 Series (XP3)
Mouse Roccat Kone XTD
Keyboard Roccat Ryos MK Pro
Software Windows 7 Pro 64
#7
Joined
Nov 29, 2011
Messages
5,975 (2.71/day)
Likes
5,278
Location
Hi! I'm from the Internet
System Name Selene / Yoda
Processor Fx 8350 @ 4.4 / Phenom II x6 1090t @ 3.6
Motherboard Gigabyte 990FXA-UD3 r4.0 / Gigabyte 890XA-UD3
Cooling H100i / Xig Dark Knight
Memory 4x 8gb G.Skill Snipers / 4x 4gb G.Skill Ares
Video Card(s) Gigabyte R9 290x / XfX DD & VisionTek HD6850's C'fired
Storage 256gb ssd, 2x 2tb Wd Blacks & 1x 1tb Wd black / 1x 1tb
Display(s) Dell Ultra Sharp 2408 WFp / Hp w2207
Case Raidmax Vampire / Chieftec Alum. Dragon Blue
Audio Device(s) Onboard Hd Audio / Onboard Hd Audio
Power Supply Corsair TX 850 watt / Corsair TX 750 watt
Mouse Logitech G500s
Keyboard Corsair Strafe
Software Win 10 pro / Win Vista Home prem. 64 bit
Benchmark Scores What are benchmarks anyway?
#8
Are suggesting that anyone with previous revisions shouldn't upgrade to FX CPUs? 'Cause I bought mine (a 990XA-UD3) looking forward to upgrading to those later on...
I am running a fx 8350 on an older revision with out any issues at all. Also it runs 100% load 24/7 (crunching). So I think you would be safe. :toast:
 
Joined
Apr 16, 2009
Messages
219 (0.07/day)
Likes
78
Processor Phenom II X4 965 BE @4 GHz | NB @2600 MHz
Motherboard Gigabyte GA-990XA-UD3
Cooling Noctua NH-D14
Memory 2x 8GB PC12800 @1600 MHz CL7 1T
Video Card(s) Gigabyte HD 7950
Storage 2 x 500 GB -- HD502HJ & WD5000AACS-00ZUB0
Display(s) Iiyama Prolite E2202WS_WVS
Case Corsair Obsidian 550D
Audio Device(s) Asus Xonar D2 w/ Z-5500
Power Supply Seasonic X-750
Mouse Logitech B100
Keyboard Logitech G15 (blue backlight)
Software Windows 7 - SP1 x64
#9
I am running a fx 8350 on an older revision with out any issues at all. Also it runs 100% load 24/7 (crunching). So I think you would be safe. :toast:
Thanks for your input. :toast:

I planned to upgrade to Steamroller from the get-go (if the next generation is still Steamroller, that is).
 

cdawall

where the hell are my stars
Joined
Jul 23, 2006
Messages
26,540 (6.38/day)
Likes
7,452
Location
Houston
System Name Team Blue
Processor 5960X@4.8 1.42v
Motherboard Asus X99M-WS
Cooling EK Supremecy EVO, MCR220-Stack+MCR220+MCR320, D5-PWM+EK X-RES 140
Memory 4x8GB G.Skill Trident Z 3200 CL16
Video Card(s) (2) EVGA SC BLACK 1080Ti's+ EVGA reference 1080Ti soon to be under water
Storage Samsung SM951 512GB, Samsung PM961 512GB
Display(s) Dell UP2414Q 3840X2160@60hz
Case Caselabs Mercury S5
Audio Device(s) Fischer HA-02->Fischer FA-002W High edition/FA-003/Jubilate/FA-011 depending on my mood
Power Supply Seasonic Prime 1200w
Mouse Thermaltake Theron
Keyboard Thermaltake Poseidon ZX
Software W10P
Benchmark Scores Zoom zoom mofo
#10
Finally they went back to heatpipe design vrm+chipset sink, hate that NB sink that wobbles, they use the same sink on the 970 boards too. I have to throw that out and use an old GPU heatsink with fan to cool the 970 NB chipset (that reaches 90C within minutes, now its at 45 to 50C).

Placing a fan on the VRM sink will be much easier than the early puny ones.
The HS still looks weak not really 220W for 24/7 ready that's for sure.
 
Joined
Oct 12, 2008
Messages
22 (0.01/day)
Likes
5
System Name Tim
Processor AMD Ryzen 1700X @ 3.9 GHz P0
Motherboard ASUS Crosshair VI Hero
Cooling Cooler Master Hyper 212 EVO
Memory 16 GiB DDR4-2400 ECC/U
Video Card(s) Radeon R9 390 (8 GiB)
Storage Samsung 950 Pro (512 GB, NVMe)
Display(s) HP Pavilion 32 (MVA)
Case Lian-Li Something / Who Cares
Audio Device(s) ASUS Xonar STX (PCIe)
Power Supply Seasonic Platinum 1000
Mouse Logitech G5 (Gen 2)
Keyboard Rosewill RK-9000 V2 (MX Blue)
Software Debian 9 (64-bit)
#11
Fellow 990FXA-UD3 user here. I've had good results with both an FX-8120 overclocked and an FX-8350 using a Rev 1.0 board. I've not seen thermal throttling, but that may be because of ancillary air movement from the fan I mounted to cool the northbridge.

I made the mistake of touching the northbridge heatsink once before adding a fan and was immediately burned. Interested, I pointed an IR thermometer at the heatsink and discovered that it was running at about 210 degrees (F). No wonder.

The northbridge heatsink is my only real complaint with the board. It has even survived being conformal coated and used for dry ice overclocking sessions.
 
Joined
May 20, 2011
Messages
188 (0.08/day)
Likes
80
System Name Windows 10 Pro 64 bit
Memory 16 GB
Storage 500 GB seagate + 1TB Samsung + 1 TB WD green + 250 GB SSD Samsung EVO
Display(s) LG 23MP67HQ Borderless + LG 42 Inch Full HD
#12
Asrock style ??
 
Joined
Oct 12, 2008
Messages
22 (0.01/day)
Likes
5
System Name Tim
Processor AMD Ryzen 1700X @ 3.9 GHz P0
Motherboard ASUS Crosshair VI Hero
Cooling Cooler Master Hyper 212 EVO
Memory 16 GiB DDR4-2400 ECC/U
Video Card(s) Radeon R9 390 (8 GiB)
Storage Samsung 950 Pro (512 GB, NVMe)
Display(s) HP Pavilion 32 (MVA)
Case Lian-Li Something / Who Cares
Audio Device(s) ASUS Xonar STX (PCIe)
Power Supply Seasonic Platinum 1000
Mouse Logitech G5 (Gen 2)
Keyboard Rosewill RK-9000 V2 (MX Blue)
Software Debian 9 (64-bit)
#13
I'd say Particle style. I coat the boards with polyurethane for that little extra bit of moisture protection (or these days polycrylic since it doesn't yellow like polyurethane does). I was doing this years before ASRock started. It has been a common practice in making rugged electronic circuits for decades, so it isn't like either ASRock or I invented the practice.
 
Joined
Apr 30, 2014
Messages
2 (0.00/day)
Likes
1
#14
I am running a fx 8350 on an older revision with out any issues at all. Also it runs 100% load 24/7 (crunching). So I think you would be safe. :toast:


What older revision do you have, i just bought this exact cpu and i have rev 4 and i cannot post at all.

The rev available on gigabyte is : rev 1, 1.1, 2 , and 3.
 
Joined
Apr 16, 2009
Messages
219 (0.07/day)
Likes
78
Processor Phenom II X4 965 BE @4 GHz | NB @2600 MHz
Motherboard Gigabyte GA-990XA-UD3
Cooling Noctua NH-D14
Memory 2x 8GB PC12800 @1600 MHz CL7 1T
Video Card(s) Gigabyte HD 7950
Storage 2 x 500 GB -- HD502HJ & WD5000AACS-00ZUB0
Display(s) Iiyama Prolite E2202WS_WVS
Case Corsair Obsidian 550D
Audio Device(s) Asus Xonar D2 w/ Z-5500
Power Supply Seasonic X-750
Mouse Logitech B100
Keyboard Logitech G15 (blue backlight)
Software Windows 7 - SP1 x64
#15
What older revision do you have, i just bought this exact cpu and i have rev 4 and i cannot post at all.

The rev available on gigabyte is : rev 1, 1.1, 2 , and 3.
That's strange. I couldn't find the rev 4 either on gigabyte.com, but a Google search turned up with a page on that damn rev 4... on gigabyte.fr. :confused:

Anyhow, the CPU compatibility PDF (again, in French, sorry about that) lists all CPUs as compatible from the get go (i.e. BIOS version F1).

Curiouser and curiouser, I'm tempted to say.
 
Last edited:
Joined
Nov 29, 2011
Messages
5,975 (2.71/day)
Likes
5,278
Location
Hi! I'm from the Internet
System Name Selene / Yoda
Processor Fx 8350 @ 4.4 / Phenom II x6 1090t @ 3.6
Motherboard Gigabyte 990FXA-UD3 r4.0 / Gigabyte 890XA-UD3
Cooling H100i / Xig Dark Knight
Memory 4x 8gb G.Skill Snipers / 4x 4gb G.Skill Ares
Video Card(s) Gigabyte R9 290x / XfX DD & VisionTek HD6850's C'fired
Storage 256gb ssd, 2x 2tb Wd Blacks & 1x 1tb Wd black / 1x 1tb
Display(s) Dell Ultra Sharp 2408 WFp / Hp w2207
Case Raidmax Vampire / Chieftec Alum. Dragon Blue
Audio Device(s) Onboard Hd Audio / Onboard Hd Audio
Power Supply Corsair TX 850 watt / Corsair TX 750 watt
Mouse Logitech G500s
Keyboard Corsair Strafe
Software Win 10 pro / Win Vista Home prem. 64 bit
Benchmark Scores What are benchmarks anyway?
#16
What older revision do you have, i just bought this exact cpu and i have rev 4 and i cannot post at all.

The rev available on gigabyte is : rev 1, 1.1, 2 , and 3.
Mine is a rev 1.1
 
Joined
May 30, 2014
Messages
1 (0.00/day)
Likes
0
#18
I just bought a 9370 for my rev1 ud3 and it wont go past 3.8 ghz in bios even if i set it higher. Funny thing is turbo kicks in sometimes and takes it to 4.7. I also managed to get this thing through software to hit over 5.1ghz and it ran prime95 fine. They just need to release a damn bios update to all there revisions for them. Wish gigabyte would stop with this revision nonsense or provide constant support for their older boards.
 
Joined
Apr 16, 2009
Messages
219 (0.07/day)
Likes
78
Processor Phenom II X4 965 BE @4 GHz | NB @2600 MHz
Motherboard Gigabyte GA-990XA-UD3
Cooling Noctua NH-D14
Memory 2x 8GB PC12800 @1600 MHz CL7 1T
Video Card(s) Gigabyte HD 7950
Storage 2 x 500 GB -- HD502HJ & WD5000AACS-00ZUB0
Display(s) Iiyama Prolite E2202WS_WVS
Case Corsair Obsidian 550D
Audio Device(s) Asus Xonar D2 w/ Z-5500
Power Supply Seasonic X-750
Mouse Logitech B100
Keyboard Logitech G15 (blue backlight)
Software Windows 7 - SP1 x64
#19
All this nonsense makes me want to switch brands the next time I upgrade my motherboard...

Good luck with your 9370, bobdole776. And welcome aboard, too! ;)